Chapter 3 - The Second Law of Thermodynamics
(Feb. 2008)
We'll use a different sequence than the book. First, we will get familiar with a new state function, the entropy S. After a brief interlude about the efficiency of heat engines, we will discu

Question 1
Which of the following halogens is most reactive under radical reaction of alkanes?
Answer
a. F2
b. Br2
c . C l2
d. I2
Question 2
How many mono-chlorinated organic product(s) will form in the reaction of 3-ethyl-2-methylpentane
with Cl2 in pres

Question 1
Ethanol is a good solvent for todays reaction because it dissolves 1) hydrobromic acid solution, hydrogen
peroxide solution, and 3) trans-stilbene. Would water work well as a solvent for this reaction?
Answer
a. No, because the formation of a h

Solutions
Why?
A solution is a homogeneous combination of two or more substances. The major
component is the solvent; the other components are the solutes. Knowledge of the
measures of concentration, the factors that determine solubility, and the unique
p

CHEMISTRY 167 WORKSHEET 10 (5 PTS: PT EACH QU.) NAME:_
MARCH 24, 2009
1. What is the difference between a nonelectrolyte and an electrolyte? A) A nonelecrolyte is ionic in nature, while an elecrolyte is molecular. B) An aqueous solution of an elec

Study Guides

Short Summary of IUPAC Nomenclature of Organic Compounds
Introduction
The purpose of the IUPAC system of nomenclature is to establish an international standard of
naming compounds to facilitate communication. The goal of the system is to give each structu

Exam IV Study Guide
Chem 163
Page 1
Exam IV will cover Chapters 7 & 8 in their entirety (as covered in lecture) and Sections 1 6 of Chapter 9. Old exams are posted on the Chem 163 web and are a great way to prepare for the exam. See the study aid

Exam II Study Guide
Chem 163
Page 1
Exam II will cover all of Chapter 3 and Sections 1 7 of Chapter 4. Note that we did not and will not cover Sections 12 & 13 of Chapter 3 and Sections 9 & 10 of Chapter 4. Old exams are posted on the Chem 163 we

Exam 2 Study Guide (version 2)
Chem 178
Page 1 of 2
Exam 2 will cover Chapter 15 material in its entirety (+ Sec. 7 of Ch. 19) as well as Chapter 16 material through the endpoint that will be noted in lecture on 10/16. It covers all of the text as

Chapter 3 - The Second Law of Thermodynamics
(Feb. 2008)
We'll use a different sequence than the book. First, we will get familiar with a new state function, the entropy S. After a brief interlude about the efficiency of heat engines, we will discu

Question 1
Which of the following halogens is most reactive under radical reaction of alkanes?
Answer
a. F2
b. Br2
c . C l2
d. I2
Question 2
How many mono-chlorinated organic product(s) will form in the reaction of 3-ethyl-2-methylpentane
with Cl2 in pres

Question 1
Ethanol is a good solvent for todays reaction because it dissolves 1) hydrobromic acid solution, hydrogen
peroxide solution, and 3) trans-stilbene. Would water work well as a solvent for this reaction?
Answer
a. No, because the formation of a h

Short Summary of IUPAC Nomenclature of Organic Compounds
Introduction
The purpose of the IUPAC system of nomenclature is to establish an international standard of
naming compounds to facilitate communication. The goal of the system is to give each structu

LAST NAME :_
FIRST NAME :_
(Please print your name on next page also)
Total Pages: 10
Questions: 16
CHEMISTRY 231
EXAM IV
Fall 2014 (11/21/14)
Dr. Balaji Ganapathy
There are 12 pages to this exam. Check to make sure you have a complete exam. During
tests

LASTNAME:_
FIRSTNAME:_
(Pleaseprintyournameonnextpagealso)
TotalPages:09
Questions:17
CHEMISTRY 231
EXAMII
Fall2014(10/03/14)
Dr.BalajiGanapathy
There are 9 pages to this exam. Check to make sure you have a complete exam. During
tests and quizzes, all ele

LASTNAME:_
FIRSTNAME:_
(Pleaseprintyournameonnextpagealso)
TotalPages:09
Questions:16
CHEMISTRY 231
EXAMI
Fall2014(09/12/14)
Dr.BalajiGanapathy
There are 9 pages to this exam. Check to make sure you have a complete exam. During
tests and quizzes, all elec

LAST NAME :_
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(Please print your name on next page also)
Total Pages: 12
Questions: 21
CHEMISTRY 231
EXAM III
Fall 2014 (10/31/14)
Dr. Balaji Ganapathy
There are 12 pages to this exam. Check to make sure you have a complete exam. During
tests

Worksheet 3d:
Limiting Reagents
Leader: Sara
Course: Chem 177
Instructor: Bonaccorsi
Supplemental Instruction
Date: 2/5/14
Iowa State University
1) If you begin with 5 moles of Barium and 2 moles of Nitrogen. Which one is
limiting and how much product (in

Practice Test 1
Supplemental Instruction
Iowa State University
Leader:
Course:
Instructor:
Date:
Sara
Chem 177D
Bonaccorsi
9/23/13
1. You weigh a container and its mass is 64.3 grams. It is then filled with water and its new
mass is 114.9 grams. What is t

Worksheet 3d:
Limiting Reagents
Leader: Sara
Course: Chem 177
Instructor: Bonaccorsi
Supplemental Instruction
Date: 2/5/14
Iowa State University
1) If you begin with 5 moles of Barium and 2 moles of Nitrogen. Which one is
limiting and how much product (in

Practice Test 1
Supplemental Instruction
Iowa State University
Leader:
Course:
Instructor:
Date:
Sara
Chem 177D
Bonaccorsi
9/23/13
1. You weigh a container and its mass is 64.3 grams. It is then filled with water and its new
mass is 114.9 grams. What is t

Leader: Sara
Course: Chem177
#1
Instructor: Bonaccorsi
Supplemental Instruction
Iowa State University
Date: 3/7/14
1) Which of the following is not a strong acid?
a. HBr
b. HI
c. HClO4
d. HF
2) When 250ml of 2.0M HCl is diluted to 1.00L, what is the conce

Chem 167 Notes Week 10
Insulators have lots of distance between the conduction and valence band, conductors
have none
When a force is applied to a metal, the positively charged cores respond to the stress,
deforming the metal
o The free flow of electrons

Chem 167 Notes Week 8
If ions have the same number of electrons, the smallest will be the one with the most
protons (largest with least protons)
V=potential energy=
o q=charge of ions
r=distance between charges
Lattice energy: the energy cost to break an

Chem 167 Notes Week 6
Electronic structure: where the electrons reside and how they behave in atoms/molecules
o Electrons are very important in chemistry
Light interactions with matter tell us about electrons and their behavior
Light: visible, infrared, u

Question 1
Which of the following halogens is most reactive under radical reaction of alkanes?
Answer
a. F2
b. Br2
c . C l2
d. I2
Question 2
How many mono-chlorinated organic product(s) will form in the reaction of 3-ethyl-2-methylpentane
with Cl2 in pres

Question 1
Ethanol is a good solvent for todays reaction because it dissolves 1) hydrobromic acid solution, hydrogen
peroxide solution, and 3) trans-stilbene. Would water work well as a solvent for this reaction?
Answer
a. No, because the formation of a h

LAST NAME :_
FIRST NAME :_
(Please print your name on next page also)
Total Pages: 10
Questions: 16
CHEMISTRY 231
EXAM IV
Fall 2014 (11/21/14)
Dr. Balaji Ganapathy
There are 12 pages to this exam. Check to make sure you have a complete exam. During
tests

LASTNAME:_
FIRSTNAME:_
(Pleaseprintyournameonnextpagealso)
TotalPages:09
Questions:17
CHEMISTRY 231
EXAMII
Fall2014(10/03/14)
Dr.BalajiGanapathy
There are 9 pages to this exam. Check to make sure you have a complete exam. During
tests and quizzes, all ele

LASTNAME:_
FIRSTNAME:_
(Pleaseprintyournameonnextpagealso)
TotalPages:09
Questions:16
CHEMISTRY 231
EXAMI
Fall2014(09/12/14)
Dr.BalajiGanapathy
There are 9 pages to this exam. Check to make sure you have a complete exam. During
tests and quizzes, all elec

LAST NAME :_
FIRST NAME :_
(Please print your name on next page also)
Total Pages: 12
Questions: 21
CHEMISTRY 231
EXAM III
Fall 2014 (10/31/14)
Dr. Balaji Ganapathy
There are 12 pages to this exam. Check to make sure you have a complete exam. During
tests

Question 1
What is the structure of the carbocation intermediate in the equation shown below?
Question 2
If excess chloride ions (for example, in the form of NaCl) are added to the reaction mixture of the reaction
shown in question-1, what will be the res

Question 1
Examine the reaction shown below and predict the expected substitution product?
Question 2
Which energy diagram (or reaction profile) best describes the reaction given in question 1?
Question 3
In this experiment, which of the following ions is

Question 1
If the reaction shown below is successfully performed,
what major change will be observed in the IR spectra of
the reactant and product?
Answer
a. An intense broad absorption band in the IR spectrum of the reactant will disappear in the
IR spec

Question 1
A sample begins to melt at 76 C and is completely melted at 80 C. The melting point of this sample is
characterized by:
Answer
a. The range of the initial temperature and the final temperature ( e.g., 76-80 C).
b. The final temperature at which

Chem 332L
Name
Quiz #1: Nitration of Methyl Benzoate
Section:
Monday 12-3
Tuesday 3-6
1. According to Iowa State Law, you must wear approved eye protection over
your eyes in
the laboratory at all times.
a. True
b. False
2.
Where in the lab is an acceptabl

Chem 177-S11
Exam 1
page 2
Question 1: (3 pts)
In the following statement, circle the underlined word that gives the right answer:
Physical properties can be observed with / without
changing the identity and composition of a substance.
Question 2: (3 pts)

Solutions
Why?
A solution is a homogeneous combination of two or more substances. The major
component is the solvent; the other components are the solutes. Knowledge of the
measures of concentration, the factors that determine solubility, and the unique
p

CHEMISTRY 167 WORKSHEET 10 (5 PTS: PT EACH QU.) NAME:_
MARCH 24, 2009
1. What is the difference between a nonelectrolyte and an electrolyte? A) A nonelecrolyte is ionic in nature, while an elecrolyte is molecular. B) An aqueous solution of an elec

Chem 163 Homework Problem
Due at the beginning of recitation: Wednesday 9/24
Using the metric system, 12C is defined to be exactly 12 amu. This leads to the definition of the mole the number of any species that is the same as the number of 12C at

Oxalic Acid Eye: May cause severe eye irritation. May result in corneal injury. Skin: Causes skin irritation. Harmful if absorbed through the skin. Rare chemical burns may occur from oxalic acid and may cause hypocalcemia. Gangrene has occurred in th

CHEMISTRY 201X Practice Problems
October 8-12, 2007
(62) The molecular orbital energy diagram for O2 and F2 (the one with no 2s-2p hybridization) is also appropriate to describe the molecular orbital energies for heteroatomic molecules like CO and

CHEMISTRY 201X Practice Problems (57)
October 1-5, 2007
Which of the following combinations of quantum numbers are allowed for an electron in a one-electron atom? Which are not? (a) n = 2, l = 2, m = 1, ms = 1/2 Not allowed: for n = 2, can only hav

CHEMISTRY 201X Practice Problems (50)
September 24-28, 2007
At its melting point (624C), the density of solid plutonium is 16.24 g/cm3. The density of liquid plutonium is 16.66 g/cm3. A small sample of liquid plutonium at 625C is strongly compresse

CHEMISTRY 201X Practice Problems (45)
September 17-21, 2007
Polonium adopts a "simple cubic" structure at room temperature and pressure. The unit cell is a cube, side is a = 336.8 pm, and contains Po atoms just at the corners.
Vertical direction i

CHEMISTRY 201X Practice Problems (35)
September 10-14, 2007
Chlorine, bromine, and iodine form pentafluorides. At 273 K, one of these is a solid, one is a liquid and one is a gas. Specify which is which, and explain your reasonings. Without knowing

CHEMISTRY 201X Practice Problems (KEY) (1) Label each of the following as either a chemical or a physical process: (a) Dissolving sodium chloride in warm water; Physical process (b) Adding sodium metal to water resulting in a basic solution; Chemical

CHEMISTRY 201X Practice Problems
October 8-12, 2007
(62) The molecular orbital energy diagram for O2 and F2 (the one with no 2s-2p hybridization) is also appropriate to describe the molecular orbital energies for heteroatomic molecules like CO and

CHEMISTRY 201X Practice Problems (50)
September 24-28, 2007
At its melting point (624C), the density of solid plutonium is 16.24 g/cm3. The density of liquid plutonium is 16.66 g/cm3. A small sample of liquid plutonium at 625C is strongly compresse

CHEMISTRY 201X Practice Problems (45)
September 17-21, 2007
Polonium adopts a "simple cubic" structure at room temperature and pressure. The unit cell is a cube, side is a = 336.8 pm, and contains Po atoms just at the corners.
Vertical direction i

CHEMISTRY 201X Practice Problems (1) Label each of the following as either a chemical or a physical process: (a) (b) (c) (d) Dissolving sodium chloride in warm water; Adding sodium metal to water resulting in a basic solution; Heating a helium-filled

CHEMISTRY 201X: Homework #7
Due: Friday, November 9, 2007
"Thermochemistry" (Useful data can be found in Appendix C in Brown, LeMay, and Bursten, 10th Edition) (1) (6 points) Large quantities of hydrogen are produced by reacting methane with steam

CHEMISTRY 201X: Homework #6 "Chemical Bonding and Reactions"
Due: Friday, November 2, 2007
(1) (12 points) For each of the following molecules or molecular ions, predict its molecular structure, the number of electron-pair domains, whether it is a

CHEMISTRY 201X: Homework #7
Due: Friday, November 9, 2007
"Thermochemistry" (Useful data can be found in Appendix C in Brown, LeMay, and Bursten, 10th Edition) (1) (6 points) Large quantities of hydrogen are produced by reacting methane with steam

CHEMISTRY 201X: Homework #6 "Chemical Bonding and Reactions"
Due: Friday, November 2, 2007
(1) (12 points) For each of the following molecules or molecular ions, predict its molecular structure, the number of electron-pair domains, whether it is a

Topic 10 Case Study
Acids, Bases, Buffers, and Indicators
Introduction
Water makes up approximately 70% of most life forms. In biological systems, water is the
omnipresent medium through which molecules (nutrients) must be transported and within which
mos

Topic 9 Case Study
Ligand Binding to hemoglobin
Introduction
In this topic, you will be thinking about the chemistry of hemoglobin, the protein that
provides for the transportation of oxygen in your body. The biological function of hemoglobin, like
of man

L ab 13
Beginning question:
What is the % composition by mass of sodium bicarbonate in an Alka-Seltzer tablet?
Safety considerations:
Working with sulfuric acid wear goggles an apron and gloves
P rocedure:
1. Prepare about 500mL of an acid solution satura

Beginning Question:
Safety:
There are flammable reagents, there should be no open flames in the lab during this experiment.
There are toxic reagents, be sure to perform all work in the fume hood so harmful vapors are drawn out of
the room. There are also

Investigation of the reactivity of metals
Beginning question:
What is the unknown metal?
What are the reactivity of the metals tested?
Safety:
Some things to consider when doing this lab is that some of the metals are liquids and can be
corrosive, its imp

Functions and Variables
Beginning question: Does a constant amount of weight have a constant effect on how far a spring
stretches?
The dependent variable in this lab would be the springs and how much they stretch, the
independed variable in this lab would

Optical Diffraction
Beginning question:
What does the unknown diffraction pattern look like and what is the distance d?
Safety:
Be sure to watch where you are pointing the laser. The light could be damaging to some ones eyes.
Procedure:
In this lab shine

Study Guides

Short Summary of IUPAC Nomenclature of Organic Compounds
Introduction
The purpose of the IUPAC system of nomenclature is to establish an international standard of
naming compounds to facilitate communication. The goal of the system is to give each structu

Exam IV Study Guide
Chem 163
Page 1
Exam IV will cover Chapters 7 & 8 in their entirety (as covered in lecture) and Sections 1 6 of Chapter 9. Old exams are posted on the Chem 163 web and are a great way to prepare for the exam. See the study aid

Exam II Study Guide
Chem 163
Page 1
Exam II will cover all of Chapter 3 and Sections 1 7 of Chapter 4. Note that we did not and will not cover Sections 12 & 13 of Chapter 3 and Sections 9 & 10 of Chapter 4. Old exams are posted on the Chem 163 we

Exam 2 Study Guide (version 2)
Chem 178
Page 1 of 2
Exam 2 will cover Chapter 15 material in its entirety (+ Sec. 7 of Ch. 19) as well as Chapter 16 material through the endpoint that will be noted in lecture on 10/16. It covers all of the text as